You maybe want to upgrade your computer as you have no option to do. Your works depend on your hardware computer upgrade.
If you have problem with your hard drive like crash hard drive at that time, better you have it changed. Most people upgrade their hard disk to increase the size so that they can use it for movies and playing a lot of music. A 20 GB hard drive is enough to keep new office and internet applications, and all your files and data. A medium sized hard drive would be around 40 GB and the maximum would be around 60 – 80 GB.
New hardware you may need to upgrade is the RAM. This memory keeps data that is being worked on now and may or may not be move to the hard drive that represents the long-term memory of the computer. Present processors can perform an enormous number of operations per second. Almost all computers have 64 MB RAM and 128 MB. If you want to run latest applications on your computer then you must upgrade to 128 or 256 MB RAM. A lot of people who upgrade from 98 to Win 2000 discover that their computers lock up very often. This is because they don't have enough RAM.